Elon Musk
Elon Musk

Dave Morton, who signed on at beleaguered Tesla electric car company a month ago, quit today due to the "level of public attention placed on the company."

In departing, the executive VP/CFO at Seagate Technology said he believes in the automaker's mission and prospects and has no qualms with its leadership and financial reporting.

Morton is joined by human resources director Gabrielle Toledano, who told Bloomberg that she isn't returning to Tesla following her leave of absence.

The exec departures follow the emergence of a video of CEO Elon Musk smoking marijuana during a Sept. 6 webcast interview with Joe Rogan, host of "Joe Rogan Experience."

Musk smoked the blunt in California, where it is legal. Tesla bans the smoking of marijuana at its California factory.

The exits of Morton and Toledano come as Sarah O'Brien, Tesla's PR chief, exits the company today, as previously announced.

Tesla shares fell as much as 10 percent today.